Hypothesis development is a complex cognitive activity, but one that is critical as a means of reducing uncertainty during ill-structured problem solving. In this study, we examined the effect of metacognitive scaffolds in strengthening hypothesis development. We also examined the influence of hypothesis development on young adolescents'…

This study investigated how the online problem based learning (PBL) approach employed in an online learning environment influenced undergraduate students' critical thinking skills (CTS) and content knowledge acquisition. The pretest-posttest control group design was used in the study. The subjects included the students who were enrolled at the…